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    • 7. 发明申请
    • POWER TRANSMISSION DEVICE OF ELECTRIC POWER STEERING APPARATUS
    • 电力转向装置的动力传动装置
    • US20150367880A1
    • 2015-12-24
    • US14745350
    • 2015-06-19
    • Mando Corporation
    • Han Sang CHAEJung Sik Park
    • B62D5/04F16D3/76
    • B62D5/04F16D1/101F16D3/68F16D3/76F16D2001/103
    • The present invention relates to a power transmission device of an electric power steering apparatus. The power transmission device includes: a driving shaft of a motor having an accommodation part formed at a rotation center thereof; a coupling member inserted into the accommodation part and having an axial through-hole formed therethrough; and a gear shaft including a coupling part formed on one side thereof to be coupled to the axial through-hole, and a gear part formed on the other side thereof. According to the present invention as described above, in a power transmission device of an electric power steering apparatus, it is possible to reduce rattle noise generated as backlash increases due to wearing-out of a gear or generated due to impact transmitted from a road surface through a vehicle wheel and a steering shaft while improving a driver's steering feeling by reducing a locking feeling and a rotational resistance between a driving shaft of a motor and a gear shaft.
    • 本发明涉及一种电动助力转向装置的动力传递装置。 动力传递装置包括:电动机的驱动轴,其具有形成在其旋转中心的收容部; 插入容纳部分并具有穿过其中形成的轴向通孔的联接构件; 以及齿轮轴,其包括形成在其一侧上的联接部分以联接到所述轴向通孔,以及齿轮部分,形成在所述轴向通孔的另一侧。 根据如上所述的本发明,在电动助力转向装置的动力传递装置中,可以减少由于齿轮的磨损而产生的由于由路面传递的撞击而产生的摩擦噪音 通过减小电动机的驱动轴和齿轮轴之间的锁定感和旋转阻力来改善驾驶员的转向感,通过车轮和转向轴。